NOISE REDUCING FEATURES ON COOLING FAN

A rotor arrangement for an electric machine includes a rotor shaft extending in an axial direction and a fan coupled to the rotor shaft. The fan includes a face with a plurality of arcuate walls extending from the face in the axial direction. Each of the plurality of arcuate walls includes a first e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MURPHY JAMES PAUL, NEET KIRK, ZOOK CHAD
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A rotor arrangement for an electric machine includes a rotor shaft extending in an axial direction and a fan coupled to the rotor shaft. The fan includes a face with a plurality of arcuate walls extending from the face in the axial direction. Each of the plurality of arcuate walls includes a first end portion and a second end portion. A plurality of radial tines extend from the first end portion of each arcuate wall. A plurality of axial tines extending from the second end portion of each arcuate wall.